The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RADIOSONDE
Definition of RADIOSONDE
noun
A miniature radio carried aloft (e.g. by an uncrewed balloon, an airdrop from a crewed aircraft, or a sounding rocket) to automatically transmit measurements of the upper air such as the wind speed, pressure, temperature, and relative humidity to a receiving station on the ground.
Wiktionary · CC BY-SA
Where it comes from
From radio + sonde.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
RADIOSONDE in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 132, 29 September 2026. The most recent board was Day 145, 12 October 2026. Nobody has seen it on a board for 29 days.
First ever to find it
on Day 134, 1 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
RADIOSONDE starts with R and ends with E. Sorted, its letters read ADDEINOORS - the shape to hunt for when the grid is scrambled. D and O appear more than once.
Words that start RADIOS
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found RADIOSONDE?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 132 - and most players walked straight past it.
Play today's OUTLIER